S. Kuryshchuk, I. Orletskii, O. Shyrokov, D. Myroniuk, and M. Solovan, “Optical and Electrical Properties of CuO Thin Films by Spray Pyrolysis Method”, Acta Phys. Pol. A, vol. 142, no. 5, p. 625, Dec. 2022, doi: 10.12693/APhysPolA.142.625.